diff --git a/test/installation/install from binary b/test/installation/install from binary
index 9138933..cdc0e7a 100755
--- a/test/installation/install from binary	
+++ b/test/installation/install from binary	
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-set -e
+die () { echo $@ ; exit 1; }
+
 . ../../nvm.sh
 
 NVM_TEST_VERSION=v0.10.7
@@ -9,9 +10,9 @@ NVM_TEST_VERSION=v0.10.7
 [ -e ../../$NVM_TEST_VERSION ] && rm -R ../../$NVM_TEST_VERSION
 
 # Install from binary
-nvm install $NVM_TEST_VERSION
+nvm install $NVM_TEST_VERSION || die "install $NVM_TEST_VERSION failed"
 
 # Check
 [ -d ../../$NVM_TEST_VERSION ]
-nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION || die "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
 
diff --git a/test/installation/install from source b/test/installation/install from source
index a535b75..25a0f1e 100755
--- a/test/installation/install from source	
+++ b/test/installation/install from source	
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-set -e
+die () { echo $@ ; exit 1; }
+
 . ../../nvm.sh
 
 NVM_TEST_VERSION=v0.10.7
@@ -9,9 +10,9 @@ NVM_TEST_VERSION=v0.10.7
 [ -e ../../$NVM_TEST_VERSION ] && rm -R ../../$NVM_TEST_VERSION
 
 # Install from source
-nvm install -s $NVM_TEST_VERSION
+nvm install -s $NVM_TEST_VERSION || die "'nvm install -s $NVM_TEST_VERSION' failed"
 
 # Check
 [ -d ../../$NVM_TEST_VERSION ]
-nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION || "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
 
diff --git a/test/installation/install two versions and use the latest one b/test/installation/install two versions and use the latest one
index 9f50510..77dc9e4 100755
--- a/test/installation/install two versions and use the latest one	
+++ b/test/installation/install two versions and use the latest one	
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-set -e
+die () { echo $@ ; exit 1; }
+
 . ../../nvm.sh
 
 # Remove the stuff we're clobbering.
@@ -8,17 +9,17 @@ set -e
 [ -e ../../v0.9.12 ] && rm -R ../../v0.9.12
 
 # Install from binary
-nvm install 0.9.7
-nvm i 0.9.12
+nvm install 0.9.7 || die "'nvm install 0.9.7' failed"
+nvm i 0.9.12 || die "'nvm i 0.9.12' failed"
 
 # Check
-[ -d ../../v0.9.7 ]
-[ -d ../../v0.9.12 ]
+[ -d ../../v0.9.7 ] || die "v0.9.7 didn't exist"
+[ -d ../../v0.9.12 ] || die "v0.9.12 didn't exist"
 
 # Use the first one
-nvm use 0.9.7
+nvm use 0.9.7 || die "'nvm use 0.9.7' failed"
 
 # Use the latest one
-nvm use 0.9
-node --version | grep v0.9.12
+nvm use 0.9 || die "'nvm use 0.9' failed"
+node --version | grep v0.9.12 || die "'node --version' was not v0.9.12, got: $(node --version)"
 
diff --git a/test/installation/install version specified in .nvmrc from binary b/test/installation/install version specified in .nvmrc from binary
index b261970..ad5f296 100755
--- a/test/installation/install version specified in .nvmrc from binary	
+++ b/test/installation/install version specified in .nvmrc from binary	
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-set -e
+die () { echo $@ ; exit 1; }
+
 . ../../nvm.sh
 
 NVM_TEST_VERSION=v0.10.7
@@ -11,10 +12,11 @@ NVM_TEST_VERSION=v0.10.7
 # Install from binary
 echo "$NVM_TEST_VERSION" > .nvmrc
 
-nvm install
+nvm install || die "'nvm install' failed"
 
 # Check
-[ -d ../../$NVM_TEST_VERSION ]
-nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION
+[ -d ../../$NVM_TEST_VERSION ] || die "./$NVM_TEST_VERSION did not exist"
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION \
+  || "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
 
 
diff --git a/test/installation/install version specified in .nvmrc from source b/test/installation/install version specified in .nvmrc from source
index 5544d0e..63ea0ea 100755
--- a/test/installation/install version specified in .nvmrc from source	
+++ b/test/installation/install version specified in .nvmrc from source	
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-set -e
+die () { echo $@ ; exit 1; }
+
 . ../../nvm.sh
 
 NVM_TEST_VERSION=v0.10.7
@@ -11,10 +12,11 @@ NVM_TEST_VERSION=v0.10.7
 # Install from binary
 echo "$NVM_TEST_VERSION" > .nvmrc
 
-nvm install -s
+nvm install -s || "'nvm install -s' failed"
 
 # Check
-[ -d ../../$NVM_TEST_VERSION ]
-nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION
+[ -d ../../$NVM_TEST_VERSION ] || die "$NVM_TEST_VERSION did not exist"
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION \
+  || die "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"